A biker gang incites a reign of terror in a California coastal town that culminates in four teenage girls being raped. Vietnam veteran Billy Jack has had enough, however, and takes on the depraved bikers single-handedly. He rescues young Vicky Barrington from their clutches, but then has to contend with not only the thugs, but also the ineffectual and racist local lawmen, who have it out for the half-Native American Billy.
A graduate student and martial-arts expert rents a room in a house owned by a single mother who lives there with her son. A local street gang is trying to recruit the son, but the new tenant tries to help the boy's mother keep him out of the gang. When they learn of this, they target both the mother and her new tenant.
A former youth boxing champion, Jimmy McCabe is a man in search of hope but looking in all the wrong places. When he hits rock bottom he turns to his childhood boxing club and the only family he has left: gym owner Bill corner man Eddie and promoter Joe. Back in training, years after anyone thought he was a contender, he risks his life, as he tries to stand tall and regain his place in the world.
When an inner-city Miami schoolteacher gets her knee broken after standing up to the school's gang leader, her mercenary combat specialist boyfriend goes undercover as a substitute teacher to take down the punk. Soon he discovers a conspiracy of criminals at work, and must reassemble his team from his last jungle raid to stop them.